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  Specific-Heat Measurements on UBe13 under Uniaxial Pressure

Reinders, P. H. P., Wand, B., Steglich, F., Fraunberger, G., Stewart, G. R., & Adrian, G. (1994). Specific-Heat Measurements on UBe13 under Uniaxial Pressure. EPL, 25(8), 619-624. doi:10.1209/0295-5075/25/8/010.

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Reinders, P. H. P.1, Author
Wand, B.1, Author
Steglich, F.2, Author           
Fraunberger, G.1, Author
Stewart, G. R.1, Author
Adrian, G.1, Author
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1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: We have investigated the superconducting ground state of a high-quality UBe13 single crystal under uniaxial pressure along the [110] axis. Uniaxial pressure is expected to break the cubic symmetry and, perhaps, to remove orbital degeneracies associated with a multidimensional order parameter. However, our specific-heat measurements reveal no splitting of the superconducting transition at T(c) up to 6.8 kbar. Both T(c) (congruent-to 0.72 K) and the Sommerfeld coefficient gamma(congruent-to 1 J/k2 mole) decrease with increasing pressure, but the slopes disagree with the 1/3 rule of the hydrostatic values, as determined for polycrystalline samples.

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 Dates: 1994-04-09
 Publication Status: Issued
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Title: EPL
  Other : Europhysics Letters
Source Genre: Journal
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Pages: - Volume / Issue: 25 (8) Sequence Number: - Start / End Page: 619 - 624 Identifier: Other: 0295-5075
CoNE: https://pure.mpg.de/cone/journals/resource/0295-5075